Adhesive patch with cover material
AssigneeHishamitsu Pharmaceutical Co., Inc.
InventorsMitsuru KURIBAYASHI, Masafumi TAKEO
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Abstract
An adhesive patch with a cover material includes an adhesive patch part including a backing and a drug layer formed on the backing; and a cover part including a cover layer and a cover adhesive layer formed on the cover layer, and the cover adhesive layer is attached to the backing to cover the adhesive patch part. The cover layer is formed of a non-woven fabric, and has an elongation rate of 50% to 300% in a flow direction and a width direction. The cover adhesive layer is made of a rubber-based adhesive in which a main adhesive base is a rubber-based adhesive base, and has a loss tangent (tanδ) of 0.7 to 0.95 at 32° C. and 0.1 Hz.
Claims4
An adhesive patch with a cover material, comprising:
- an adhesive patch part including a backing and a drug layer formed on the backing;
- and
- a cover part including a cover layer and a cover adhesive layer formed on the cover layer, wherein
- the cover adhesive layer is attached to the backing to cover the adhesive patch part,
- the cover layer is formed of a non-woven fabric, and has an elongation rate of 50% to 300% in a flow direction and a width direction, and
- the cover adhesive layer is made of a rubber-based adhesive in which a main adhesive base is a rubber-based adhesive base, and has a loss tangent (tanδ) of 0.7 to 0.95 at 32° C. and 0.1 Hz.
Dependencies are inferred from the claim text.